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-rw-r--r--src/wallet/walletdb.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 98a65a130c..cd9fe279c5 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -17,6 +17,21 @@
#include <utility>
#include <vector>
+/**
+ * Overview of wallet database classes:
+ *
+ * - CDBEnv is an environment in which the database exists (has no analog in dbwrapper.h)
+ * - CWalletDBWrapper represents a wallet database (similar to CDBWrapper in dbwrapper.h)
+ * - CDB is a low-level database transaction (similar to CDBBatch in dbwrapper.h)
+ * - CWalletDB is a modifier object for the wallet, and encapsulates a database
+ * transaction as well as methods to act on the database (no analog in
+ * dbwrapper.h)
+ *
+ * The latter two are named confusingly, in contrast to what the names CDB
+ * and CWalletDB suggest they are transient transaction objects and don't
+ * represent the database itself.
+ */
+
static const bool DEFAULT_FLUSHWALLET = true;
class CAccount;